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Related papers: Short-range correlations in binary alloys: Spin mo…

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We develop an atomistic, nearest-neighbor sp3s* tight-binding Hamiltonian to investigate the electronic structure of dilute bismide alloys of GaP and GaAs. Using this model we calculate that the incorporation of dilute concentrations of Bi…

Materials Science · Physics 2011-12-12 Muhammad Usman , Christopher A. Broderick , Andrew Lindsay , Eoin P. O'Reilly

The parameters of many-body potentials for Co, Nb and Zr metals, based on the embedded-atom method, have been systematically derived. The analytical potential scheme allows us to reproduce correctly the cohesive energies and structural…

Materials Science · Physics 2014-05-02 Pascal Thibaudeau , Julian Gale

A method for the calculations of the Gilbert damping parameter $\alpha$ is presented, which based on the linear response formalism, has been implemented within the fully relativistic Korringa-Kohn-Rostoker band structure method in…

Other Condensed Matter · Physics 2015-06-12 S. Mankovsky , D. Koedderitzsch , G. Woltersdorf , H. Ebert

We apply the Bethe-Peierls approximation to the problem of the inverse Ising model and show how the linear response relation leads to a simple method to reconstruct couplings and fields of the Ising model. This reconstruction is exact on…

Disordered Systems and Neural Networks · Physics 2012-03-14 H. Chau Nguyen , Johannes Berg

ALICE experiment at LHC collects data in pp collisions at $\sqrt{s}$=0.9, 2.76 and 7 TeV and in PbPb collisions at 2.76 TeV. Highlights of the detector performance and an overview of experimental results measured with ALICE in pp and AA…

Nuclear Experiment · Physics 2019-08-13 Yuri Kharlov

In this paper, from the microscopic Hubbard Hamiltonian we extract the local spin-singlet amplitude due to short-range spin correlations, and quantify its strength near half-filling. As a first application of the present approach, we study…

Strongly Correlated Electrons · Physics 2009-10-31 Bumsoo Kyung

We report an ab initio evaluation of the surface energy of a simple metal, performed via a coupling-constant integration over the dynamical density-response function. The rapid rate of change of the electron density at the surface is…

Materials Science · Physics 2009-10-30 J. M. Pitarke , A. G. Eguiluz

We determine the lowest bound-state pole of the density-density correlator in the scalar Wick-Cutkosky model where two equal-mass constituents interact via the exchange of mesons. This is done by employing the worldline representation of…

High Energy Physics - Phenomenology · Physics 2009-11-10 K. Barro-Bergflödt , R. Rosenfelder , M. Stingl

Following our recent work on the benzene molecule [\href{https://doi.org/10.1063/5.0027617}{J.~Chem.~Phys.~\textbf{153}, 176101 (2020)}], itself motivated by the blind challenge of Eriksen \textit{et al.}…

The theoretical description of the correlations between observables in two separated rapidity intervals for AA-interactions at high energies is presented. In the case with the realistic nucleon distribution density of colliding nuclei the…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. S. Kolevatov , V. V. Vechernin

Extensive ARPES and low-energy inelastic neutron scattering studies of cuprate superconductors can be successfully described using a weak-coupling theory in which quasiparticles on a square lattice interact via scalar and spin-dependent…

Strongly Correlated Electrons · Physics 2008-11-06 Wei-Cheng Lee , A. H. MacDonald

We analyze atom-atom correlations in the s-wave scattering halo of two colliding condensates. By developing a simple perturbative approach, we obtain explicit analytic results for the collinear (CL) and back-to-back (BB) correlations…

Other Condensed Matter · Physics 2009-11-13 Magnus Ogren , K. V. Kheruntsyan

Angular correlations of two and more particles are a sensitive probe of the initial state and the transport properties of the system produced in heavy-ion collisions. Two recent results of the ALICE collaboration are presented. Event-shape…

Nuclear Experiment · Physics 2019-08-13 Jan Fiete Grosse-Oetringhaus

Soft processes in pp and AA interactions are considered in the framework of phenomenological model with color strings formation and fusion. Elementary parton collisions are realized in the model as the interaction of two colour dipoles from…

Nuclear Theory · Physics 2022-09-21 Vladimir Kovalenko , Vladimir Vechernin

The comparison of angular correlations between charmed mesons and charged hadrons produced in pp, p-Pb and Pb-Pb collisions can give insight into charm quark energy loss mechanisms in hot nuclear medium formed in heavy-ion collisions and…

High Energy Physics - Experiment · Physics 2019-08-14 Fabio Colamaria

Experiments involving copper-copper collisions at the RHIC-BNL (USA) at energies $\sqrt{s_{NN}}$ = 22.5, 62 and 200 GeV have produced a vast amount of high-precision data which are to be analysed in the light of various competing models in…

High Energy Physics - Phenomenology · Physics 2015-03-13 P. Guptaroy , Goutam Sau , S. K. Biswas , S. Bhattacharyya

Two-particle correlations in relative azimuth $\Delta\phi$ and relative pseudorapidity $\Delta\eta$ are studied in p+Pb collisions at sqrt{s_NN}=5.02 TeV with the ATLAS detector at LHC. The correlations are studied as a function of charged…

Nuclear Experiment · Physics 2019-08-13 Jiangyong Jia

Self-consistent electronic structure calculations together with a structural model are used to study the effect of short-range atomic order on the optical properties of otherwise random Al(0.5)Ga(0.5)As, Ga(0.5)In(0.5)P, and…

Condensed Matter · Physics 2015-06-25 Kurt A. Mader , Alex Zunger

We study a Bose-Fermi mixture within the framework of the mean-field theory, including three possible regimes for the fermionic species: fully polarized, BCS, and unitarity. Starting from the 3D description and using the variational…

Quantum Gases · Physics 2015-06-23 Pablo Díaz , David Laroze , Boris A. Malomed

The EMF dependencies for Ag-Au-S systems were analyzed and it was found that the reactions described in reference [1] are inaccurate. Additionally, the assumption that the equilibrium state of Au remains unchanged during the measurement…

Materials Science · Physics 2023-11-16 Ya. I. Korepanov